Related Vulnerabilities: CVE-2021-3520  

A vulnerability was found in lz4, where a potential memory corruption due to an integer overflow bug which caused one of the memmove arguments to become negative. Depending on how the library was compiled this will hit an assert() inside the library and dump core, leaving a 4GB core file, or it wil go into libc and crash inside the memmove() function.

Severity Low

Remote Yes

Type Denial of service

Description

A vulnerability was found in lz4, where a potential memory corruption due to an integer overflow bug which caused one of the memmove arguments to become negative. Depending on how the library was compiled this will hit an assert() inside the library and dump core, leaving a 4GB core file, or it wil go into libc and crash inside the memmove() function.

AVG-1889 lz4 1:1.9.3-1 Low Vulnerable

https://bugzilla.redhat.com/show_bug.cgi?id=1954559
https://github.com/lz4/lz4/pull/972